公开(公告)号：US20230317947A1

公开(公告)日：2023-10-05

申请号：US18194450

申请日：2023-03-31

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Tae Jin LEE ,  Myungheui WOO ,  Sanghoon KIM ,  Arum YU

IPC: H01M4/60 ,  H01M4/525 ,  H01M4/131

CPC classification number: H01M4/60 ,  H01M4/525 ,  H01M4/131 ,  H01M2004/028

Abstract: Disclosed are a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. For example, one or more embodiments provide a positive electrode for a rechargeable lithium battery including a positive electrode current collector and a positive electrode active material layer on one surface or two opposing surfaces of the positive electrode current collector, wherein the positive electrode active material layer includes a metal organic framework of ZIF-8, MOF-177, HKUST-1, Fe-BTC, or a combination thereof; and a positive electrode active material that is a nickel-based oxide.

公开(公告)号：US20220407113A1

公开(公告)日：2022-12-22

申请号：US17887621

申请日：2022-08-15

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Erang CHO ,  Yunhee KIM ,  Sujeong KOH ,  Seungtae LEE ,  Sunjoo CHOI ,  Siyoung CHA ,  Miyoung SON ,  Minju LEE ,  Myungheui WOO ,  Jinhyeok LIM ,  Jinah SEO ,  Harim LEE

IPC: H01M10/0567 ,  H01M10/0568 ,  H01M10/052 ,  H01M4/525 ,  H01M4/505 ,  C07D327/10 ,  C07F9/6571 ,  C07F5/04 ,  C01G53/00

Abstract: An organic electrolytic solution includes a first lithium salt; an organic solvent; a bicyclic sulfate-based compound represented by Formula 1 below; and a monocyclic phosphate-based compound represented by Formula K1 below: wherein in Formula 1, each of A1, A2, A3, and A4 is independently a covalent bond, a substituted or unsubstituted C1-C5 alkylene group, a carbonyl group, or a sulfinyl group, wherein both A1 and A2 are not a covalent bond and both A3 and A4 are not a covalent bond, and in Formula K1, each of A5 and A6 is independently a substituted or unsubstituted C1-C5 alkylene group.

公开(公告)号：US20220263131A1

公开(公告)日：2022-08-18

申请号：US17627102

申请日：2020-07-08

Applicant: Samsung SDI Co., Ltd.

Inventor： Olga TSAY ,  Hyejin PARK ,  Myungheui WOO ,  Hyunbong CHOI ,  Pavel SHATUNOV

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0569 ,  H01M10/0568

Abstract: Provided are an electrolyte additive for lithium secondary battery including a compound represented by Formula 1 below, an electrolyte for lithium secondary battery including the same, and a lithium secondary battery including the electrolyte. wherein, in Formula 1, R1 to R3 are as defined in the detailed description.

公开(公告)号：US20190312308A1

公开(公告)日：2019-10-10

申请号：US16373374

申请日：2019-04-02

Applicant: Samsung SDI Co., Ltd.

Inventor： Hyejin PARK ,  Jungjin MOON ,  Myungheui WOO ,  Harim LEE ,  Jin-Hyeok LIM ,  Seonghun JEONG ,  Wonseok CHO ,  Hyunbong CHOI

IPC: H01M10/0567 ,  H01M10/0568 ,  H01M10/0569

Abstract: Aspects of embodiments of the present disclosure provide an electrolyte for a rechargeable lithium battery, and a rechargeable lithium battery including the same. The electrolyte includes a non-aqueous organic solvent, a lithium salt, and additive represented by Chemical Formula 1: In Chemical Formula 1, X1 is CH or a nitrogen atom (N), and Ra is a substituted or unsubstituted alkyl group. The additive may decompose under reducing voltages on the surface of the negative electrode to thereby form a polysulfonate-based passivation film to suppress or reduce gas generation and battery swelling.

公开(公告)号：US20190020065A1

公开(公告)日：2019-01-17

申请号：US16135371

申请日：2018-09-19

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Miyoung SON ,  Kyoungsoo KIM ,  Yunhee KIM ,  Jaehong KIM ,  Hana RA ,  Suyeol RYU ,  Myunghwan JEONG ,  Sunjoo CHOI ,  Myungheui WOO ,  Seungtae LEE ,  Harim LEE ,  Siyoung CHA

IPC: H01M10/0567 ,  H01M4/525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/42 ,  H01M10/0525 ,  C07D497/10

Abstract: A lithium battery includes a cathode including a cathode active material, an anode including an anode active material, and an organic electrolytic solution between the cathode and the anode. The organic electrolytic solution includes a first lithium salt, an organic solvent, an oligomer compound, and a bicyclic sulfate-based compound represented by Formula 1 below: wherein, in Formula 1, each of A1, A2, A3, and A4 is independently a covalent bond, a substituted or unsubstituted C1-C5 alkylene group, a carbonyl group, or a sulfinyl group, in which both A1 and A2 are not a covalent bond and both A3 and A4 are not a covalent bond.

公开(公告)号：US20250158127A1

公开(公告)日：2025-05-15

申请号：US18946342

申请日：2024-11-13

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Tae Jin LEE ,  Minseo KIM ,  Dahyun KIM ,  Myungheui WOO

IPC: H01M10/0567 ,  H01M10/0525

Abstract: The electrolyte solution for a rechargeable lithium battery according to some example embodiments includes a non-aqueous organic solvent, a lithium salt; and an additive. The additive includes a first compound and a second compound.

公开(公告)号：US20240128507A1

公开(公告)日：2024-04-18

申请号：US18012636

申请日：2022-03-30

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Sanghyung KIM ,  Tae Jin LEE ,  Minseo KIM ,  Myungheui WOO ,  Hyejin PARK ,  Sanghoon KIM ,  Dahyun KIM ,  Bokyung RYU

IPC: H01M10/0567 ,  H01M4/133 ,  H01M4/134 ,  H01M4/36 ,  H01M4/38 ,  H01M4/587 ,  H01M10/052 ,  H01M10/42

CPC classification number: H01M10/0567 ,  H01M4/133 ,  H01M4/134 ,  H01M4/366 ,  H01M4/386 ,  H01M4/587 ,  H01M10/052 ,  H01M10/4235 ,  H01M2004/027

Abstract: Provided are an electrolyte for a rechargeable lithium battery including a non-aqueous organic solvent, a lithium salt, and an additive, wherein the additive is a composition including a first compound and a second compound, the first compound is a cesium salt compound, and the second compound represented by Chemical Formula 1, and a rechargeable lithium battery including the same.
Details of Chemical Formula 1 are as described in the specification.

公开(公告)号：US20240120540A1

公开(公告)日：2024-04-11

申请号：US18004048

申请日：2022-04-06

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Tae Jin LEE ,  Sanghyung KIM ,  Minseo KIM ,  Myungheui WOO ,  Hyejin PARK ,  Sanghoon KIM ,  Dahyun KIM ,  Bokyung RYU

IPC: H01M10/0567 ,  H01M4/36 ,  H01M4/38 ,  H01M4/525 ,  H01M4/583 ,  H01M10/42

CPC classification number: H01M10/0567 ,  H01M4/366 ,  H01M4/386 ,  H01M4/525 ,  H01M4/583 ,  H01M10/4235 ,  H01M10/052

Abstract: Disclosed are an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same, the electrolyte including a non-aqueous organic solvent, a lithium salt, and an additive, wherein the additive is a composition including a first compound and a second compound, the first compound is a cesium salt compound, and the second compound is represented by Chemical Formula 1.
Details of Chemical Formula 1 are as described in the specification.

公开(公告)号：US20240047671A1

公开(公告)日：2024-02-08

申请号：US18303343

申请日：2023-04-19

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Hyejin PARK ,  Yeji YANG ,  Wonseok CHO ,  Tae Jin LEE ,  Sangwoo PARK ,  Sundae KIM ,  Sanghyung KIM ,  Minseo KIM ,  Myungheui WOO ,  Sanghoon KIM ,  Hana RA ,  Bokyung RYU

IPC: H01M4/525 ,  H01M10/052 ,  H01M4/62 ,  H01M4/583 ,  H01M4/38 ,  H01M4/36

CPC classification number: H01M4/525 ,  H01M10/052 ,  H01M4/624 ,  H01M4/583 ,  H01M4/386 ,  H01M4/366 ,  H01M2004/028

Abstract: A positive electrode includes a positive electrode active material, a binder, a conductive material, and an additive represented by Chemical Formula 1 or Chemical Formula 2:




A rechargeable lithium battery includes the positive electrode a negative electrode in a negative electrode active material; and an electrolyte solution for the rechargeable lithium battery.

公开(公告)号：US20230327203A1

公开(公告)日：2023-10-12

申请号：US18044360

申请日：2021-10-07

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Sanghyung KIM ,  Sanghoon KIM ,  Myungheui WOO

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/0569 ,  H01M4/583 ,  H01M4/38 ,  H01M4/36 ,  C07D333/48

CPC classification number: H01M10/0567 ,  H01M10/0525 ,  H01M10/0569 ,  H01M4/583 ,  H01M4/386 ,  H01M4/362 ,  C07D333/48 ,  H01M2004/027

Abstract: Provided is a lithium secondary battery, which comprises: an electrolyte comprising a non-aqueous organic solvent, a lithium salt, and an additive represented by Chemical Formula 1; a cathode comprising a cathode active material including a Si-carbon composite; and an anode comprising an anode active material.